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  2. MI400
  3. October 2002

Re: A Blast from the Past

An instruction set difference, S/36 added jump backwards.  S/34 had only
jump forward.  Both machines had *branch* backward, though (branch saved
the next instruction address, jump did not).

By the way S/36 RPGII generated the one-byte-longer branch backward
instruction instead of the jump backward instruction, I suppose so S/36
binary could run on S/34.

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